CN211652269U - Sample preparation equipment for manual winding of continuous carbon fiber multifilament tensile strength and elongation performance sample - Google Patents
Sample preparation equipment for manual winding of continuous carbon fiber multifilament tensile strength and elongation performance sample Download PDFInfo
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- CN211652269U CN211652269U CN201921752220.4U CN201921752220U CN211652269U CN 211652269 U CN211652269 U CN 211652269U CN 201921752220 U CN201921752220 U CN 201921752220U CN 211652269 U CN211652269 U CN 211652269U
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Abstract
A sample preparation device for manually winding a continuous carbon fiber multifilament tensile property sample comprises an unwinding frame and a winding frame, wherein the unwinding frame and the winding frame are arranged in parallel, and the central axes of the unwinding frame and the winding frame are on the same horizontal plane; the unwinding frame comprises a yarn cylinder for winding the carbon fiber multifilament, an unwinding stopping holding shaft, a positioning rotating shaft, a bearing capable of being locked and rotating and a fixing frame; the wire barrel is arranged on the unwinding stopping holding shaft and is fixed with the positioning rotating assembly of the unwinding stopping holding shaft; the unwinding stop holding wheel is fixed with the fixing frame, and the bearing which can be locked and can rotate controls the unwinding stop holding wheel to rotate through the positioning rotating shaft, so that the wire barrel is driven to rotate. The utility model provides a required tension when twining the carbon fiber multifilament, whole winding process is accomplished by operating alone, when the tension of carbon fiber multifilament is lax on the winding frame, solves the stop and unreels taut needs again.
Description
Technical Field
The utility model relates to a carbon fiber multifilament tensile properties test field specifically is a supporting winding equipment of system carbon fiber multifilament tensile properties test sample.
Background
The production and application of the low-cost large-tow carbon fiber are the key for developing the technical research of the low-cost composite material, and the research and development of the domestic large-tow carbon fiber production technology is late, so that the difference between the domestic large-tow carbon fiber production technology and the international advanced large-tow carbon fiber production enterprises is large. In recent years, carbon fiber production enterprises in Shanghai petrochemical industry, Jilin petrochemical industry, Lanxing carbon fiber and the like develop the attack on the large-tow carbon fiber production technology and obtain certain effect.
At present, a unit successfully develops 48K carbon fiber yarns in the last year and enters the enlarged production planning, so that the mastering of a 48K carbon fiber multifilament tensile property testing method is a necessary work. According to the specifications of ASTM D4018, Standard test method for carbon and graphite continuous fiber tow Performance and GB/T3362, carbon fiber multifilament tensile Property test method Specification, the carbon fiber multifilament tensile Property is tested by preparing carbon fiber multifilament into carbon rod, and testing the carbon rod to reflect the tensile Property value of the carbon fiber multifilament. The effectiveness of the carbon rod sample is influenced by a plurality of factors, the tensile property value of the carbon fiber multifilament can be accurately tested only by mastering a reasonable carbon rod manufacturing method, otherwise, the test result is only low.
SUMMERY OF THE UTILITY MODEL
The utility model provides an equipment that is used for manual winding carbon fiber multifilament tensile property test sample system appearance usefulness. The problem that the carbon fiber multifilament tensile property test sample (hereinafter referred to as carbon rod) can not be stably controlled in the absence of equipment is solved, and the labor intensity of manual sample preparation is reduced. The instability factor directly influences the effectiveness of the carbon rod and the test accuracy of the performance value. Through the utility model provides high validity and the stability of production nature carbon fiber stretch by force capability test work obviously reduce intensity of labour simultaneously.
The technical solution of the utility model is as follows:
a sample preparation device for manually winding a continuous carbon fiber multifilament tensile property sample is characterized by comprising an unwinding frame and a winding frame, wherein the unwinding frame and the winding frame are arranged in parallel, and the central axes of the unwinding frame and the winding frame are on the same horizontal plane;
the unwinding frame comprises a yarn cylinder for winding the carbon fiber multifilament, an unwinding stopping holding shaft, a positioning rotating shaft, a bearing capable of being locked and rotating and a fixing frame; the wire barrel is arranged on the unwinding stopping holding shaft and is fixed with the positioning rotating assembly of the unwinding stopping holding shaft; the unwinding stopping holding wheel is fixed with the fixing frame, and the bearing which can be locked and can rotate controls the unwinding stopping holding wheel to rotate through the positioning rotating shaft so as to drive the wire barrel to rotate;
the winding frame comprises a frame type winding piece for winding the carbon fiber multifilament, a winding piece holder and a fixing frame of the winding piece holder. The winding piece is fixed on the winding piece holder, and the winding piece holder is arranged on a fixing frame of the winding piece holder.
The sample preparation equipment for manually winding the continuous carbon fiber multifilament tensile strength test sample is characterized in that the unwinding stop holding shaft comprises a positioning shaft and a clamping shaft assembly.
The sample preparation equipment for manually winding the continuous carbon fiber multifilament tensile property sample is characterized in that a groove for placing a damping strip is formed in the positioning rotating shaft, and the damping strip is connected with the damping regulator through a stopper.
The sample preparation equipment for manually winding the continuous carbon fiber multifilament tensile strength and elongation performance sample is characterized in that the damping regulator is designed to be capable of regulating the damping size and is suitable for preparing the carbon fiber multifilament tensile strength and elongation performance samples with different K numbers.
The sample preparation equipment for manually winding the continuous carbon fiber multifilament tensile property sample is characterized in that one end of the positioning shaft is provided with a stop piece for locking the positioning shaft.
The sample preparation equipment for manually winding the continuous carbon fiber multifilament tensile property sample is characterized in that a winding piece is arranged on a winding piece holder and is positioned through a spring clamping groove and a compression spring to fix the winding piece.
The sample preparation equipment for manually winding the continuous carbon fiber multifilament tensile property sample is characterized in that two parts of assemblies, namely the unwinding frame assembly and the winding frame assembly, are parallel to each other, and a fixed position between the two parts of assemblies keeps a certain distance (not less than 0.3 m).
The utility model discloses an operating procedure as follows:
a bobbin wound with carbon fiber multifilament yarn is mounted on an unwinding stop holding wheel and fixed by a positioning and rotating assembly of an unwinding stop holding shaft.
And 2, selecting the damping according to the K number of the wound carbon fiber multifilament, wherein the larger the K number is, the larger the damping is.
And 3, mounting the winding piece on the winding piece holder, and fixing the winding piece with the spring through the spring positioning clamping groove.
And 4. untwisting the multifilament yarn from the yarn cylinder and folding the yarn bundle regularly along the center line.
And 5, fixing the doubled tows at the beginning of the winding end of the winding piece.
And 6, orderly folding the multifilaments in half along the central axis direction of the multifilaments, winding the carbon filaments in a non-overlapping and damping-tensioning manner back and forth along the parallel winding ends of the winding frame until the number of winding turns accords with the number of carbon rods required by the test, and fixing the tail ends of the winding filaments.
And 7, once tension is loosened, locking the positioning rotating shaft by using a locking part on the positioning rotating assembly, and tensioning the wound tows again.
And 8, stopping the rotating shaft in time when the winding tension is insufficient, and tensioning the carbon fiber multifilament by force. The winding is then continued until the desired number of windings is full and the tail end of the tow is secured to the winding member.
And 9, taking out the wound piece wound with the carbon fiber multifilament and dipping the carbon fiber.
And 10, compounding the carbon rod according to the process of compounding the carbon rod.
Compared with the prior art, the beneficial effects of the utility model are as follows:
solving the tension required when winding the carbon fiber multifilament, in particular the large tension required by the carbon fiber with large K number; tension instability caused by manual handling of the unwinding roll and the winding frame is solved; solving the requirement of untwisting and unwinding of 24K and above carbon fiber multifilaments; keeping the installation distance between the uncoiling and the winding frame, and solving the requirement of orderly narrowing, folding and winding the 24K or above carbon fiber multifilaments; the whole winding process is completed by one person. Sixthly, when the tension of the carbon fiber multifilament on the winding frame is relaxed, the requirement of stopping unwinding and tensioning is solved. And solving the problem of inconvenient operation without the assistance of equipment.
Drawings
Fig. 1 is a schematic structural diagram of a sample preparation device for winding a continuous carbon fiber multifilament tensile strength and elongation property sample according to the present invention.
Detailed Description
The present invention will be further described with reference to the following examples and drawings, but the scope of the present invention should not be limited thereto.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a sample preparation device for manually winding a continuous carbon fiber multifilament tensile strength sample according to the present invention. As shown in the figure, the sample preparation equipment for manually winding the continuous carbon fiber multifilament tensile property sample comprises an unwinding frame and a winding frame, wherein the unwinding frame and the winding frame are arranged in parallel, and the central axis of the unwinding frame and the central axis of the winding frame are on the same horizontal plane. The unwinding frame comprises a yarn tube 1 for winding carbon fiber multifilaments, an unwinding stopping holding shaft 2, a positioning rotating shaft 3, a bearing 4 capable of being locked and rotating and a fixing frame 9; the wire barrel 1 is arranged on the unwinding stopping holding shaft 2 and is fixed with the positioning rotating assembly on the unwinding stopping holding shaft 2; the unwinding stopping holding wheel 2 is fixed with a fixed frame 9, and the bearing 4 which can be locked and can rotate controls the unwinding or stopping holding wheel 2 to rotate through the positioning rotating shaft 3, so that the wire barrel 1 is driven to rotate or stop the wire barrel 1;
the winding frame comprises a frame winding piece 10 for winding the carbon fiber multifilament yarn, a winding piece holder 11 and a fixing frame 12 of the winding piece holder. The winding element 10 is fixed on a winding element holder 11, and the winding element holder 11 is arranged on a fixing frame 12 of the winding element holder. The unwinding stopping holding shaft 2 comprises a positioning shaft and a clamping shaft assembly, and two ends of the positioning shaft are respectively arranged on the positioning rotating shaft 3. A stopper 7 is arranged on the positioning rotating shaft 3; and a groove for placing a damping strip is arranged on the positioning rotating shaft 3, and the damping strip is connected through the damping regulator 8.
The unwinding stopping holding shaft 2 plays a role in stably holding the yarn barrel 1, the whole equipment is used and installed, namely the unwinding frame component and the winding rack component are used and installed, a certain distance (not less than 0.3m) is kept on the central axis of the two components to be positioned and installed in parallel, so that the requirement of narrowing and folding the carbon fiber multifilament with large K number is met, and no godet wheel or auxiliary folding wheel is arranged in the middle, so that the purpose of not damaging the carbon fiber tows is achieved.
The fixing frame 9 plays a role in fixing the unwinding stop holding shaft 2, the positioning rotation 3 of the unwinding stop holding shaft, a damper and other components, and is installed at a position suitable for operation. Can be installed on a wall or fixed on the ground, and the assembly is at a certain height from the ground and is suitable for operation. The components of the winding frame part play a role in holding the positioning components of the winding piece and fixing the holding positioning components. Fixed on an immovable plane, which is highly suitable for operation. The use and installation requirements of the two-part assembly of the unwinding frame assembly and the winding frame assembly. The two parts of the unwinding frame component and the winding frame component are parallel to each other, and a certain distance (not less than 0.3m) is kept between the two parts of the unwinding frame component and the winding frame component at a fixed position, so that the multifilament is folded in half at the beginning, forms natural winding under certain tension, and is manually assisted to be folded in half.
The holding shaft is unwound and stopped. Comprises a positioning shaft and a clamping shaft component. The two ends of the positioning shaft are in a shape preventing rotation, and the carbon fiber yarn tube is held. Two ends of the positioning shaft are respectively arranged on the shaft of the positioning rotating component of the unwinding stopping holding shaft. The positioning and rotating assembly of the unwinding stop holding shaft has a rotatable wheel with a groove for mounting the damping strip. And the shaft is connected with the unwinding stop holding shaft, and the shaft can rotate around the unwinding stop holding shaft and is arranged on the fixed bracket. The adjustable unwinding rotary damper component, the spring inhaul cable and the like are used as damping modes, and the pulling-out tension of carbon fiber tows with different K numbers is matched by adjusting the damping size. A sensing member for stopping the rotation shaft. The sensor inching device can stop the unwinding and stopping of the positioning rotating assembly of the holding shaft, and if the winding tension is loose, the rotating shaft is stopped first, and then the winding tension is increased. A positioning assembly for holding the wrapping element. The two sides of the rectangular winding frame can be held, and the rectangular winding frame can not move up and down, left and right and can only rotate along one direction of the installation axis. A fixing frame of the winding piece holder. The positioning assembly can fix the winding piece holder and rotate the winding piece holder back and forth, and the fixing frame of the winding piece holder has a certain mounting height and is suitable for the mounting height of the unwinding frame assembly.
Claims (6)
1. The sample preparation equipment for manually winding the continuous carbon fiber multifilament tensile property sample is characterized by comprising an unwinding frame and a winding frame, wherein the unwinding frame and the winding frame are arranged in parallel, and the central axes of the unwinding frame and the winding frame are on the same horizontal plane;
the unwinding frame comprises a yarn cylinder (1) for winding carbon fiber multifilaments, an unwinding stopping holding shaft (2), a positioning rotating shaft (3), a bearing (4) capable of being locked and rotating and a fixing frame (9); the wire barrel (1) is arranged on the unwinding stopping holding shaft (2) and is fixed with the positioning rotating assembly of the unwinding stopping holding shaft (2); the unwinding stopping holding shaft (2) is fixed with the fixing frame (9), and the bearing (4) which can be locked and can rotate controls the unwinding stopping holding shaft (2) to rotate through the positioning rotating shaft (3), so that the wire barrel (1) is driven to rotate or the wire barrel (1) is stopped;
the winding frame comprises a frame type winding piece (10) for winding carbon fiber multifilaments, a winding piece holder (11) and a winding piece holder fixing frame (12), wherein the winding piece (10) is fixed on the winding piece holder (11), and the winding piece holder (11) is installed on the winding piece holder fixing frame (12).
2. The sample preparation device for manually winding the tensile strength and elongation property test sample of the continuous carbon fiber multifilament according to claim 1, wherein the unwinding stop holding shaft (2) comprises a positioning shaft and a clamping shaft assembly.
3. The sample preparation device for manually winding the tensile strength and elongation property test sample of continuous carbon fiber multifilament according to claim 1, wherein one end of the positioning rotating shaft (3) is provided with a stopper (7) for locking the positioning rotating shaft (3).
4. A sample preparation device for manually winding a tensile strength and elongation property sample of continuous carbon fiber multifilament according to claim 1, wherein the winding member is mounted on the winding member holder, and the winding member is positioned and fixed by compressing the spring through the spring clamping groove.
5. The apparatus for manually winding a tensile strength test specimen of continuous carbon fiber multifilament according to claim 1, wherein the two assemblies of the unwinding frame and the winding frame are parallel to each other, and the fixed positions of the two assemblies are kept at a certain distance.
6. The apparatus as claimed in claim 5, wherein the fixing position is not less than 0.3 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752220.4U CN211652269U (en) | 2019-10-17 | 2019-10-17 | Sample preparation equipment for manual winding of continuous carbon fiber multifilament tensile strength and elongation performance sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752220.4U CN211652269U (en) | 2019-10-17 | 2019-10-17 | Sample preparation equipment for manual winding of continuous carbon fiber multifilament tensile strength and elongation performance sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211652269U true CN211652269U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921752220.4U Active CN211652269U (en) | 2019-10-17 | 2019-10-17 | Sample preparation equipment for manual winding of continuous carbon fiber multifilament tensile strength and elongation performance sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211652269U (en) |
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2019
- 2019-10-17 CN CN201921752220.4U patent/CN211652269U/en active Active
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